Method and device for pollution reduction from exhausts emissions

Abstract

The disclosed invention relates to a method, an apparatus designed accordingly, to reduce and / or eliminate polluting exhausts components from combustion thermal-generator emissions comprising at least a combustion chamber and at least an fixed exhaust duct. An electric heating resistance able to be activated, following lighting of said combustion heat generator, so as to preheat a catalyst and burn particles deposited on a grille or particles of uncombusted products present initially in the exhaust gases.

Description

FIELD OF THE INVENTION [0001] The disclosed invention relates to a method, an apparatus designed accordingly, to reduce and / or eliminate polluting exhaust components from combustion thermal-generator emissions. [0002] The method and apparatus are intended to be used to reduce and / or eliminate polluting exhaust components from combustion thermal-generator emissions comprising at least a combustion chamber and at least an fixed exhaust duct, the duct be used to direct exhaust from inside volume to outside volume of said combustion chamber. BACKGROUND OF THE INVENTION [0003] One of the major problems nowadays in highly populated towns and cities is air pollution. [0004] Air pollution is both to substances mixed with air and to substances that modify air natural components. All these substances are commonly named pollutants. Thus we have to pollutants families: direct pollutants and indirect pollutants. [0005] Direct pollutants are typically divided in gaseous pollutant and solid pollut...

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Benefits of technology

[0023] Therefore the problem underlying the present invention is that of providing a method and an apparatus for reducing and / or eliminating the pollutants present in the exhaust gases produced by combustion heat generators, which may be easily installed in pre-existing plants, which does not have a high cost so as not to discourage installation thereof and which can be easily configured and / or personalized. Another object of the present invention is that of providing a method and an apparatus, the maintenance of which does not involve decommissioning of the heat generator to which it is connected.

Problems solved by technology

One of the major problems nowadays in highly populated towns and cities is air pollution.

Nevertheless, is was observed that all these solutions able to reduce pollutants and emissions from industrial plants and internal combustion vehicles are not enough to reduce pollution especially in big cities.

Unfortunately the residential building situation is different; mean residential building age is so long compared to automobile one that it is not possible to imagine, even in case of regulation similar to automotive field, a fast substitution of the existing device with new ones with low emission profiles.

In a civil building the required modifications for such a device are often incompatible with typology of existing rooms or requires modifications of the environment to satisfy fire and safety regulations especially of explosion-proof regulation in case of gas.

Both the apparatus for reducing pollutants described in the two abovementioned German patents have the drawback, which is common to many solutions of the known type, that they are directly arranged on the duct for discharging the exhaust gases.

This results in the drawback that it is required to decommission the heat generator in the case where maintenance of the apparatus is required.

These known apparatus, moreover, do not treat adequately the particles in particular of uncombusted products which are released by the heat generator during the repeated lighting operations.

Consequently the catalysts of the apparatus of the known type are not sufficiently protected against the particles which may be deposited and burn on them in particular during the start-up transients of the combustion heat generator.

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